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/*
* Copyright (c) 2013 Google, Inc
*
* (C) Copyright 2012
* Pavel Herrmann <morpheus.ibis@gmail.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _DM_ROOT_H_
#define _DM_ROOT_H_
struct device;
/**
* dm_root() - Return pointer to the top of the driver tree
*
* This function returns pointer to the root node of the driver tree,
*
* @return pointer to root device, or NULL if not inited yet
*/
struct device *dm_root(void);
/**
* dm_scan_platdata() - Scan all platform data and bind drivers
*
* This scans all available platdata and creates drivers for each
*
* @return 0 if OK, -ve on error
*/
int dm_scan_platdata(void);
/**
* dm_scan_fdt() - Scan the device tree and bind drivers
*
* This scans the device tree and creates a driver for each node
*
* @blob: Pointer to device tree blob
* @return 0 if OK, -ve on error
*/
int dm_scan_fdt(const void *blob);
/**
* dm_init() - Initialize Driver Model structures
*
* This function will initialize roots of driver tree and class tree.
* This needs to be called before anything uses the DM
*
* @return 0 if OK, -ve on error
*/
int dm_init(void);
#endif
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